Chemistry Unit 5 The Mole

1 Step Mole Conversions

100

How many liters are in 4.3 moles of H₂ gas?

96.32 liters

200

How many moles are in 689 Liters of carbon dioxide gas?

30.76 moles

300

How many particles are in 5.8 moles of uranium?

3.49x10²⁴ particles

400

How many moles are in 857 particles of sugar?

1.42x10^-21 moles

500

How many moles are in 500 grams of H₂O?

27.75 moles

600

How many grams are in 1.5 moles of CO₂?

66.015 grams

2 Step Mole Conversions

100

How many liters are in 6.0x10²⁴ particles of H₂ gas?

223.26 liters

300

How many particles are in 5.4 liters of carbon dioxide gas?

1.45x10²³

600

How many grams are in 5.4 liters of H₂ gas?

0.487 grams

Simplify Empirical Formulas

100

Determine the empirical formula.

H₂O₄C

H₂O₄C

200

Determine the empirical formula.

U₄O₈H₈

UO₂H₂

300

Determine the empirical formula.

C₆H₆O₆

CHO

400

Determine the empirical formula.

C₂H₆O₂

CH₃O

500

Determine the empirical formula.

C₁₀H₅O₁₆

C₁₀H₅O₁₆

600

Determine the empirical formula.

C₃H₂₁O₉

CH₇O₃

Percent Composition

100

What is the percent composition of H in OH?

5.94%

300

What is the percent composition of O in C₂H₆O?

34.72%

600

What is the percent composition of N in Al₃(NH₄)₂?

23.95%